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Publication of FR867731ApublicationCriticalpatent/FR867731A/en
A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
A01K31/00—Housing birds
A01K31/12—Perches for poultry or birds, e.g. roosts
FR867731D1940-07-161940-07-16
Process for increasing the laying of birds during the cold season and resulting new industrial product
ExpiredFR867731A
(en)